The "Top" requested file for this device is typically identified by the chipset processor name rather than the marketing name "Nokia 14."
This website bundles the Firehose loader inside their Qualcomm Premium Tool. You can extract the prog_nokia14.elf using 7-Zip. nokia 14 firehose loader download top
Turn off the device completely. Hold both Volume Up and Volume Down buttons simultaneously while plugging the USB cable into the PC. The "Top" requested file for this device is
Once you have the loader file, you can use these "middleman" programs to flash the device: Hold both Volume Up and Volume Down buttons
Resets user data partitions when access credentials are lost.
If you absolutely must test blindly (not recommended), generic prog_emmc_firehose_8917.mbn or 8916 loaders sometimes work on old Nokia 1 series, but isn’t a valid product code.
This usually signifies that the Firehose loader version does not match your specific chip revision or the secure boot signature failed. Redownload a loader configured specifically for your software patch level.